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Dental Management of a Patient With Catecholaminergic Polymorphic Ventricular Tachycardia: A Case Report

Source: Journal of Dentistry for Children - Category: Dentistry Authors: Tags: Case Reports Source Type: research

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ConclusionsIn a single-center observational study, both conventional and high-density mapping approaches in VT patients are comparable in terms of procedure duration and outcome. Mapping time when using a multi-electrode catheter seems to have the tendency of being shorter. We should be encouraged to recruit more patients comparing the benefit of different catheter types.
Source: Journal of Interventional Cardiac Electrophysiology - Category: Cardiology Source Type: research
This report describes a protective period within the cardiac cycle of conscious mice when a precisely timed stimulus prevented the initiation of ventricular tachycardia caused by an earlier stimulus. In addition, we tested the hypothesis that this precisely timed pulse within the protective period prevents reperfusion‐induced ventricular tachyarrhythmias in conscious mice. Mice (n = 6) were prepared to record arterial blood pressure and the electrocardiogram. In addition, a vascular occluder was placed around the left main coronary artery, and stimulating electrodes were secured onto the left ventricle. A singl...
Source: Physiological Reports - Category: Physiology Authors: Tags: Original Research Source Type: research
Authors: Merrill GF Abstract Hypoxia and reoxygenation, ischemia and reperfusion, catecholamine infusion, ouabain, sodium pentobarbital and caffeine, can all be used experimentally to induce ventricular arrhythmias. According to the Lambeth Convention guidelines our experimentally-induced ventricular arrhythmias include but are not limited to: ventricular premature beats (VPB), ventricular salvos (VS), ventricular bigeminy (VB), nonsustained ventricular tachycardia (VTn), sustained ventricular tachycardia (VTs) and ventricular fibrillation (VF, or if the heart is not defibrillated, sudden cardiac death). We have st...
Source: International Journal of Physiology, Pathophysiology and Pharmacology - Category: Physiology Tags: Int J Physiol Pathophysiol Pharmacol Source Type: research
CREST Model for very early prediction of circulatory etiology death in patients resuscitated after cardiac arrest and admitted to intensive care unit, but without an ST elevation myocardial infarction from the International Cardiac Arrest Registry (INTCAR) [1] seems to be a promising tool. The CREST model considers the following factors: Coronary artery disease Initial heart rhythm Low ejection fraction Shock at the time of admission Ischemic time more than 25 minutes Shock at presentation was defined as systolic blood pressure less than 90 mm Hg in the first hour of hospitalisation, despite fluid resuscitatio...
Source: Cardiophile MD - Category: Cardiology Authors: Tags: General Cardiology Source Type: blogs
p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Helvetica; background-color: #fefefe}A middle-aged male diabetic who is otherwise healthy was found unconscious by his wife, with incontinence.  He quickly awoke but was too weak to stand.  Initial vitals by EMS were BP 100/50 with pulse of 80 and normal glucose.  He remained weak and somnolent, and without focal neurologic abnormality.  He recovered full consciousness, but still felt weak and " not normal. "  There was a prehospital ECG:What do you think?He arrived in the ED and had this ECG recorded:This one was sent to me for my ...
Source: Dr. Smith's ECG Blog - Category: Cardiology Authors: Source Type: blogs
Conclusion: These results motivate further validation using intracardiac electrograms to see if these approaches can map rotors in a clinical setting and whether they apply to more complex arrhythmias including atrial or ventricular fibrillation. Significance: New techniques providing more accurate rotor localization could improve characterization of arrhythmias and, in turn, offer a means to accurately evaluate whether rotor ablation is a viable and effective treatment for chaotic cardiac arrhythmias.
Source: IEEE Transactions on Biomedical Engineering - Category: Biomedical Engineering Source Type: research
CONCLUSIONS: The change in FT morphology during ablation may be associated with a change in clinical course when shifting from one route to another and may aggravate symptoms. Targeting of the proximal conduction system (such as bifurcation, LPF, left anterior fascicle, high septal/auxiliary pathway) may serve to solve this problem. PMID: 29333794 [PubMed - in process]
Source: The Israel Medical Association Journal - Category: General Medicine Tags: Isr Med Assoc J Source Type: research
Torsades de pointes is an uncommon type of ventricular tachycardia that can be potentially life-threatening. Learn more about the causes and diagnosis.
Source: Health News from Medical News Today - Category: Consumer Health News Tags: Cardiovascular / Cardiology Source Type: news
The aim of the study was to assess the clinical significance of complex ventricular arrhythmias (VAs) (sustained ventricular tachycardia (sVT) and ventricular fibrillation (VF)) in patients with ST-segment elevation myocardial infarction (STEMI) depending on timing of arrhythmia. We analyzed 4, 363 consecutive STEMI-patients treated invasively between 2004 and 2014. The median follow-up was 69.6 months (range: 0 –139.8 months). The study population was divided into 2 main groups: VA Group encompassed 476 (10.91 %) patients with VAs, whereas 3887 (89.09 %) subjects without VT/VF were included into the Control Group.
Source: The American Journal of Cardiology - Category: Cardiology Authors: Source Type: research
Source: Circulation: Arrhythmia and Electrophysiology - Category: Cardiology Authors: Tags: Arrhythmias, Electrophysiology, Ventricular Fibrillation, Imaging, Magnetic Resonance Imaging (MRI) Research Letter Source Type: research
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